CN219213927U

CN219213927U - Lens cone die

Info

Publication number: CN219213927U
Application number: CN202223602228.7U
Authority: CN
Inventors: 李雪平; 曾嘉健
Original assignee: Shida Optoelectronics Dongguan Co ltd
Current assignee: Shida Optoelectronics Dongguan Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-20
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a lens cone mold, which comprises a female mold plate and a male mold plate, wherein a shovel base is arranged at one end, close to the male mold plate, of the female mold plate, a sliding block matched with the shovel base is arranged on the male mold plate, a bulge is arranged at one end, close to the male mold plate, of the shovel base, and a groove matched with the bulge is arranged on the male mold plate. Through setting up the arch on the shovel base, set up on the male template with protruding complex recess, after male template and female template compound die, protruding on the shovel base can stretch into in the recess to make shovel base and male template fixed more firm, in order to reduce the adverse effect that shaping pressure produced to shovel base, and then improve the production yield of lens cone, in addition, this lens cone mould simple structure has reduced the loss of mould when guaranteeing product quality stable, has improved the life of mould.

Description

Lens cone die

Technical Field

The utility model relates to the technical field of optical equipment, in particular to a lens cone die.

Background

With the vigorous development of the optical industry, optical lenses start to play a significant role in various fields, and a lens barrel is one of important parts of the optical lenses, and a lens barrel mold is generally adopted to perform injection molding on the lens barrel when the lens barrel is produced. As shown in FIG. 1, two spades are arranged on a female die of a traditional lens barrel die and are used for being matched with a sliding block on a male die to fix, and then lens barrels start to be produced, under forming pressure, the spades and the sliding blocks are not firmly fixed, so that the spades are easily turned outwards and a female die trigger groove is easily deformed, the probability of the occurrence of a flash of the lens barrels is increased, and the problems of unstable torsion and eccentricity are solved, so that the yield of the lens barrels is reduced.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: provides a lens cone die with high production yield

In order to solve the technical problems, the utility model adopts the following technical scheme: the lens cone mold comprises a female mold plate and a male mold plate, wherein a shovel base is arranged at one end, close to the male mold plate, of the female mold plate, a sliding block matched with the shovel base is arranged on the male mold plate, a protrusion is arranged at one end, close to the male mold plate, of the shovel base, and a groove matched with the protrusion is formed in the male mold plate.

Further, the shovel base comprises a fixing portion, the female die plate is provided with a through hole, and the fixing portion stretches into the through hole and is flush with the upper surface of the female die plate.

Further, the female die plate is arranged on the fixing plate, the upper surface of the female die plate is in contact with the lower surface of the fixing plate, and the fixing portion is connected with the fixing plate.

Further, the fixing portion is adhered to the fixing plate or connected with the fixing plate through a screw.

Further, the shovel base is provided with a first guide inclined plane, and the sliding block is provided with a second guide inclined plane corresponding to the first guide inclined plane.

Further, a first arc transition surface is arranged at the lower end of the first guide inclined surface.

Further, a second arc transition surface is arranged at the upper end of the second guide inclined surface.

Further, the protrusion is provided with a third guiding inclined plane, and the groove is provided with a fourth guiding inclined plane corresponding to the third guiding inclined plane.

Further, a third arc transition surface is arranged at the lower end of the third guide inclined surface, and a fourth arc transition surface corresponding to the third arc transition surface is arranged at the upper end of the fourth guide inclined surface.

Further, the number of the shovel bases is two, the two shovel bases are respectively arranged on two sides of the female template, the two shovel bases are respectively provided with the protrusions, and two sides of the male template are respectively correspondingly provided with the grooves.

The utility model has the beneficial effects that: through setting up the arch on the shovel base, set up on the male template with protruding complex recess, after male template and female template compound die, protruding on the shovel base can stretch into in the recess to make shovel base and male template fixed more firm, in order to reduce the adverse effect that shaping pressure produced to shovel base, and then improve the production yield of lens cone, in addition, this lens cone mould simple structure has reduced the loss of mould when guaranteeing product quality stable, has improved the life of mould.

Drawings

Fig. 1 is a schematic structural view of a lens barrel mold according to the prior art;

fig. 2 is a schematic diagram of an open state structure of a lens barrel mold according to a first embodiment of the present utility model;

fig. 3 is a schematic diagram showing a mold clamping structure of a lens barrel mold according to a first embodiment of the present utility model;

fig. 4 is an enlarged detail view at a in fig. 3.

Description of the reference numerals:

1. a master template; 11. a shovel base; 111. a fixing part; 112. a first guiding inclined surface; 113. a first arc transition surface; 114. a protrusion; 1141. a third guide slope; 1142. a third arc transition surface;

2. a male template; 21. a slide block; 211. a second guiding inclined surface; 212. a second arc transition surface; 22. a groove; 221. a fourth guiding slope; 222. a fourth arc transition surface;

3. and a fixing plate.

Detailed Description

In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

Referring to fig. 2 to 4, a lens barrel mold includes a female mold plate 1 and a male mold plate 2, wherein a shovel base 11 is disposed at one end of the female mold plate 1 adjacent to the male mold plate 2, a slider 21 matched with the shovel base 11 is disposed on the male mold plate 2, a protrusion 114 is disposed at one end of the shovel base 11 adjacent to the male mold plate 2, and a groove 22 matched with the protrusion 114 is disposed on the male mold plate 2.

From the above description, the beneficial effects of the utility model are as follows: through set up protruding 114 on shovel base 11, set up on male template 2 with protruding 114 complex recess 22, after male template 2 and female template 1 compound die, protruding 114 on shovel base 11 can stretch into in the recess 22 to make shovel base 11 and male template 2 fix more firmly, with the adverse effect that reduces shaping pressure to shovel base 11 production, and then improve the production yield of lens cone, in addition, this lens cone mould simple structure has reduced the loss of mould when guaranteeing product quality stable, has improved the life of mould.

Further, the shovel base 11 includes a fixing portion 111, the female die plate 1 is provided with a through hole, and the fixing portion 111 extends into the through hole and is flush with the upper surface of the female die plate 1.

Further, the mold plate comprises a fixing plate 3, the female mold plate 1 is arranged on the fixing plate 3, the upper surface of the female mold plate 1 is in contact with the lower surface of the fixing plate 3, and the fixing portion 111 is connected with the fixing plate 3.

As is apparent from the above description, the stability of the shovel base 11 is further improved by connecting the fixing portion 111 on the shovel base 11 with the fixing plate 3.

Further, the fixing portion 111 is bonded to the fixing plate 3 or screwed thereto.

Further, the shovel base 11 is provided with a first guiding inclined plane 112, and the slide block 21 is provided with a second guiding inclined plane 211 corresponding to the first guiding inclined plane 112.

As can be seen from the above description, the arrangement of the first guide inclined surface 112 and the second guide inclined surface 211 can improve the sliding smoothness of the shovel base 11.

Further, a first arc transition surface 113 is disposed at the lower end of the first guiding inclined surface 112.

Further, a second arc transition surface 212 is disposed at the upper end of the second guiding inclined surface 211.

As is apparent from the above description, the arrangement of the first and second circular

arc transition surfaces

113 and 212 prevents stress concentration, removes sharp edges, makes them beautiful, and plays a guiding role.

Further, the protrusion 114 is provided with a third guiding inclined surface 1141, and the recess 22 is provided with a fourth guiding inclined surface 221 corresponding to the third guiding inclined surface 1141.

As can be seen from the above description, the arrangement of the third guide slope 1141 and the fourth guide slope 221 can improve the sliding smoothness of the protrusion 114.

Further, a third arc transition surface 1142 is provided at the lower end of the third guiding inclined surface 1141, and a fourth arc transition surface 222 corresponding to the third arc transition surface 1142 is provided at the upper end of the fourth guiding inclined surface 221.

As can be seen from the above description, the arrangement of the third arc transition surface 1142 and the fourth arc transition surface 222 can prevent stress concentration, and can remove sharp edges, thereby making it attractive and guiding.

Further, the number of the shovel bases 11 is two, the two shovel bases 11 are respectively arranged on two sides of the female template 1, the two shovel bases 11 are respectively provided with the protrusions 114, and two sides of the male template 2 are respectively correspondingly provided with the grooves 22.

Example 1

Referring to fig. 2 to 4, a first embodiment of the present utility model is as follows: a lens barrel mold can be widely used for producing and manufacturing a lens barrel in an optical lens.

The lens cone mold comprises a female mold plate 1 and a male mold plate 2, wherein a shovel base 11 is arranged at one end, close to the male mold plate 2, of the female mold plate 1, a sliding block 21 matched with the shovel base 11 is arranged on the male mold plate 2, a protrusion 114 is arranged at one end, close to the male mold plate 2, of the shovel base 11, and a groove 22 matched with the protrusion 114 is formed in the male mold plate 2. Specifically, in this embodiment, the number of the shovel bases 11 is two, the two shovel bases 11 are respectively disposed on two sides of the female die plate 1, the two shovel bases 11 are respectively provided with the protrusions 114, and two sides of the male die plate 2 are respectively provided with the grooves 22 correspondingly.

Referring to fig. 2, the shovel base 11 includes a fixing portion 111, the female mold plate 1 is provided with a through hole, and the fixing portion 111 extends into the through hole and is flush with the upper surface of the female mold plate 1. Compared with the prior art, the bearing area of the fixing part 111 of the shovel base 11 and the master template 1 is larger in the embodiment, so that the connection stability of the shovel base 11 and the master template 1 is enhanced, the shovel base 11 can bear larger forming pressure, and the adverse effect of the forming pressure on the shovel base 11 is reduced.

Referring to fig. 2, the female mold plate 1 is disposed on the fixing plate 3, the upper surface of the female mold plate 1 contacts with the lower surface of the fixing plate 3, the fixing portion 111 is connected with the fixing plate 3, and the fixing portion 111 is adhered to the fixing plate 3 or connected by a screw. In this embodiment, the fixing portion 111 of the shovel base 11 is directly adhered to the fixing plate 3 after passing through the through hole, so as to further improve the stability of the shovel base 11, and in other embodiments, the shovel base 11 and the fixing plate 3 may be connected or not connected by a screw.

Referring to fig. 2 and 3, the shovel base 11 is provided with a first guiding inclined plane 112, the slider 21 is provided with a second guiding inclined plane 211 corresponding to the first guiding inclined plane 112, a first arc transition surface 113 is provided at the lower end of the first guiding inclined plane 112, and a second arc transition surface 212 is provided at the upper end of the second guiding inclined plane 211. When the lens barrel mold is closed, the female mold plate 1 approaches the male mold plate 2, and at this time, the first guide inclined surface 112 contacts with the second guide inclined surface 211, so that the shovel base 11 and the slider 21 collide with each other.

Referring to fig. 3 and 4, the protrusion 114 is provided with a third guiding inclined plane 1141, the groove 22 is provided with a fourth guiding inclined plane 221 corresponding to the third guiding inclined plane 1141, a third arc transition surface 1142 is provided at the lower end of the third guiding inclined plane 1141, and a fourth arc transition surface 222 corresponding to the third arc transition surface 1142 is provided at the upper end of the fourth guiding inclined plane 221. In this embodiment, the third guiding inclined surface 1141 is an outer wall surface of the protrusion 114, the fourth guiding inclined surface 221 is an inner wall surface of the groove 22, and when the lens barrel mold is closed, a partial area of the protrusion 114 extends into the groove 22, and at this time, the third guiding inclined surface 1141 contacts with the fourth guiding inclined surface 221.

In summary, according to the lens barrel mold provided by the utility model, the protrusion is arranged on the shovel base, the groove matched with the protrusion is arranged on the male template, and after the male template and the female template are assembled, the protrusion on the shovel base can extend into the groove, so that the shovel base and the male template are fixed more firmly, the adverse effect of forming pressure on the shovel base is reduced, and the production yield of the lens barrel is improved; the fixed part of shovel base has directly been connected with the fixed plate through female template and further has strengthened the steadiness of shovel base, the slip smoothness nature of shovel base can be improved to the setting of first direction inclined plane and second direction inclined plane, the setting of third direction inclined plane and fourth direction inclined plane can improve bellied slip smoothness nature, the setting of first circular arc transition face, second circular arc transition face, third circular arc transition face and fourth circular arc transition face all can prevent stress concentration to play the guide effect, in addition, this lens cone mould simple structure has reduced the loss of mould when guaranteeing product quality stable, has improved the life of mould.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims

1. A lens barrel mold, characterized in that: the novel shovel comprises a female template and a male template, wherein a shovel base is arranged at one end, close to the male template, of the female template, a sliding block matched with the shovel base is arranged on the male template, a protrusion is arranged at one end, close to the male template, of the shovel base, and a groove matched with the protrusion is formed in the male template.

2. The lens barrel mold according to claim 1, wherein: the shovel base comprises a fixing part, the female die plate is provided with a through hole, and the fixing part stretches into the through hole and is flush with the upper surface of the female die plate.

3. The lens barrel mold according to claim 2, wherein: the female die plate is arranged on the fixing plate, the upper surface of the female die plate is in contact with the lower surface of the fixing plate, and the fixing part is connected with the fixing plate.

4. The lens barrel mold according to claim 3, wherein: the fixing part is adhered to the fixing plate or connected with the fixing plate through a screw.

5. The lens barrel mold according to claim 1, wherein: the shovel base is provided with a first guide inclined plane, and the sliding block is provided with a second guide inclined plane corresponding to the first guide inclined plane.

6. The lens barrel mold according to claim 5, wherein: the lower end of the first guide inclined plane is provided with a first arc transition surface.

7. The lens barrel mold according to claim 5, wherein: the upper end of the second guide inclined plane is provided with a second arc transition surface.

8. The lens barrel mold according to claim 1, wherein: the protrusion is provided with a third guide inclined plane, and the groove is provided with a fourth guide inclined plane corresponding to the third guide inclined plane.

9. The lens barrel mold according to claim 8, wherein: the lower end of the third guide inclined plane is provided with a third arc transition surface, and the upper end of the fourth guide inclined plane is provided with a fourth arc transition surface corresponding to the third arc transition surface.

10. The lens barrel mold according to claim 1, wherein: the number of the shovel bases is two, the two shovel bases are respectively arranged on two sides of the female template, the two shovel bases are respectively provided with the protrusions, and two sides of the male template are respectively correspondingly provided with the grooves.